* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Orbitron', sans-serif;
}

body {
    background: #050505;
    color: #ffffff;
}

/* HERO */
.hero {
    height: 100vh;
    background: radial-gradient(circle at top, #00ffcc22, #000000),
                url('https://images.unsplash.com/photo-1542751371-adc38448a05e') center/cover no-repeat;
    position: relative;
}

.overlay {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.75);
}

.hero-content {
    position: relative;
    z-index: 2;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 20px;
}

.hero h1 {
    font-size: 4rem;
    letter-spacing: 5px;
}

.hero h1 span {
    color: #00ffcc;
}

.hero p {
    margin-top: 20px;
    font-size: 1.1rem;
    color: #cccccc;
    max-width: 500px;
}

.btn-main {
    margin-top: 35px;
    padding: 15px 35px;
    background: linear-gradient(135deg, #00ffcc, #00b3ff);
    color: #000;
    border-radius: 40px;
    font-weight: 700;
    text-decoration: none;
    transition: 0.3s;
}

.btn-main:hover {
    transform: scale(1.08);
    box-shadow: 0 0 30px #00ffcc;
}

/* FEATURES */
.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
    padding: 80px 10%;
    background: #080808;
}

.feature {
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.08);
    padding: 30px;
    border-radius: 16px;
    transition: 0.3s;
}

.feature:hover {
    transform: translateY(-10px);
    border-color: #00ffcc;
    box-shadow: 0 0 25px rgba(0,255,204,0.3);
}

.feature h2 {
    color: #00ffcc;
    margin-bottom: 10px;
}

.feature p {
    color: #dddddd;
    font-size: 0.95rem;
}

/* CTA */
.cta {
    text-align: center;
    padding: 80px 20px;
    background: linear-gradient(135deg, #00ffcc11, #000);
}

.cta h2 {
    font-size: 2rem;
}

.cta p {
    margin: 15px 0 30px;
    color: #cccccc;
}

.btn-secondary {
    padding: 14px 30px;
    border: 2px solid #00ffcc;
    color: #00ffcc;
    text-decoration: none;
    border-radius: 30px;
    transition: 0.3s;
}

.btn-secondary:hover {
    background: #00ffcc;
    color: #000;
    box-shadow: 0 0 25px #00ffcc;
}

/* FOOTER */
footer {
    text-align: center;
    padding: 25px;
    font-size: 0.8rem;
    color: #777;
}
/* ===== MOBILE RESPONSIVE ===== */
@media (max-width: 768px) {

    /* HERO */
    .hero h1 {
        font-size: 2.5rem;
        letter-spacing: 3px;
    }

    .hero p {
        font-size: 1rem;
        padding: 0 10px;
    }

    .btn-main {
        padding: 14px 28px;
        font-size: 0.95rem;
    }

    /* FEATURES */
    .features {
        padding: 50px 6%;
        gap: 20px;
    }

    .feature {
        padding: 25px;
    }

    .feature h2 {
        font-size: 1.2rem;
    }

    .feature p {
        font-size: 0.9rem;
    }

    /* CTA */
    .cta h2 {
        font-size: 1.6rem;
    }

    .cta p {
        font-size: 0.95rem;
        padding: 0 10px;
    }

    .btn-secondary {
        padding: 12px 26px;
        font-size: 0.9rem;
    }
}

/* EXTRA SMALL DEVICES */
@media (max-width: 480px) {

    .hero h1 {
        font-size: 2rem;
    }

    .hero p {
        font-size: 0.9rem;
    }

    footer {
        font-size: 0.7rem;
    }
}